PYSEC-2026-1530 LangGraph's SQLite is vulnerable to SQL injection via metadata filter key in SQLite checkpointer list method

Context A SQL injection vulnerability exists in LangGraph's SQLite checkpoint implementation that allows attackers to manipulate SQL queries through metadata filter keys. This affects applications that accept untrusted metadata filter keys not just filter values in checkpoint search operations...

SQL Injection

Overview langgraph-checkpoint-sqlite is a Library with a SQLite implementation of LangGraph checkpoint saver. Affected versions of this package are vulnerable to SQL Injection due to untrusted metadata filter keys being directly used in SQL queries without proper validation. An attacker can acces...